condition	mean	min	max
4 h after light	15.81115	14.6298	16.9925
8 h after light	13.335550000000001	12.7711	13.9
12 h after light	15.563600000000001	14.823	16.3042
4 h after dark	17.447566666666667	16.6342	18.3461
8 h after dark	18.7815	18.1051	19.9905
12 h after dark	15.7052	15.1956	16.3557